Cam Grizzly Mdbstr 4034-1 4034-1

Camshaft Stage 1

Designed and dyno proven in the USA

Engineered by using valvetrain software

Adds a 5%-10% power gain

CNC machined from 8620 billet, case hardened steel for an exact fit and lobe profile

Select cams feature Hot Cams Improved Throttle Design (I.T.R.) technology; these cams improve throttle response throughout the entire rpm range while providing excellent power gains through the mid-range and top-end

Designed for low end torque.

Engineered to be drop in cams that use stock valve springs (unless otherwise noted).

Mudbuster camshaft. Improved acceleration, more bottom end, and no top end loss. Must use Raptor 660 center intake valve spring, NOT included. All other valve springs stock. Uses stock auto-decompression mechanism. For single cam engine. Intake Valve Lash: 0.200 mm. Exhaust Valve Lash: 0.250 mm.